← 59th Biel International Chess Festival 2026 · Open | Blitz (BTZ) · Round 1Cao, Qingfeng vs Zumbrunn, Simon, Round 1, 59th Biel International Chess Festival 2026IMCao, Qingfeng2264 · CHN1–0Zumbrunn, Simon1802 · SUI19 Jul, 11:30← Board 18Board 19 of 54Board 20 →